Last Updated: September 2026
Tongxin Software Studio ("we", "us" or "our") respects and protects your privacy. This Privacy Policy explains how we collect, use, store and share personal information when you use our software products and our website www.tongxintools.top (the "Service").
Please read this policy carefully before using the Service. By using the Service, you agree to this policy. We may update this policy from time to time; material changes will be announced in advance.
The data controller for the Service is:
2.1 Information you provide
2.2 Information we collect automatically
We do not collect your files, spreadsheet content or any of your private document data. No personal sensitive data from your work documents will be uploaded to any server.
We do not intentionally collect data from users under 18 years old.
| Purpose | Legal basis |
|---|---|
| Provide and maintain the Service | Performance of contract |
| Billing and payment processing | Performance of contract |
| License activation and verification | Performance of contract |
| Customer support | Performance of contract / legitimate interest |
| Service notifications (billing, security, policy updates) | Legitimate interest |
| Security and fraud prevention | Legitimate interest |
| Product improvement and analytics | Legitimate interest |
| Legal compliance | Legal obligation |
We may aggregate or de-identify data for statistical analysis. Such data cannot be used to identify a specific individual.
| Type | Purpose | Can be disabled |
|---|---|---|
| Strictly necessary | Maintain login, core functions | No |
| Functional | Language preference, personalisation | Yes |
| Analytics | Anonymous usage statistics | Yes |
We currently do not use third-party advertising trackers.
We do not sell your personal information as defined under applicable law (such as the CCPA). We only share your information in the following circumstances:
In the event of a security incident affecting your rights, we will notify you and the relevant authorities as required by law. Please keep your account credentials secure and do not share them with others.
| Data type | Retention period | On expiry |
|---|---|---|
| Account information | While in use; 90 days after account deletion | Deleted or anonymised |
| Transaction records | 7 years (tax and accounting obligations) | Deleted or archived |
| Support records | 3 years | Securely deleted |
| Security audit logs | 12 months | Securely deleted |
To exercise any of the following rights, contact us and we will respond within 30 calendar days:
| Right | Description |
|---|---|
| Right of access | Obtain a copy of your personal information |
| Right to rectification | Correct inaccurate or incomplete information |
| Right to erasure | Request deletion of your data under certain conditions |
| Right to restriction | Suspend processing under certain circumstances |
| Right to data portability | Receive your data in a machine-readable format |
| Right to object | Object to processing based on legitimate interest or marketing |
| Right to withdraw consent | Withdraw consent-based processing authorisation |
If you believe we have not handled your data properly, you have the right to lodge a complaint with your local data protection authority.
We do not send marketing communications unless you have opted in. If you receive marketing emails from us, you may unsubscribe at any time via the unsubscribe link in the email, by turning off marketing notifications in account settings, or by contacting us. Unsubscribing does not affect service-essential notifications (such as billing or security alerts).
Our servers and partners may be located in China, Singapore, the United States and other regions. When transferring data internationally, we protect it by entering data processing agreements incorporating standard contractual clauses (SCC) and transferring only to recipients with equivalent levels of protection.
The Service is intended for users aged 18 or older. We do not knowingly collect information from minors under 18. If you believe your child has provided us with information, please contact us immediately and we will delete it as soon as possible.
The Service may contain links to third-party websites or integrate with third-party services. This policy applies only to information we collect directly. We are not responsible for the data practices of third parties; please review their policies before using them.
If we make material changes to this policy, we will notify you at least 15 days in advance via our website or your registered email, and update the "Last Updated" date at the top of this page. Continued use after the effective date constitutes acceptance of the revised policy.
Tongxin Software Studio · www.tongxintools.top